US9190665B2 - Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom - Google Patents
Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom Download PDFInfo
- Publication number
- US9190665B2 US9190665B2 US14/360,338 US201214360338A US9190665B2 US 9190665 B2 US9190665 B2 US 9190665B2 US 201214360338 A US201214360338 A US 201214360338A US 9190665 B2 US9190665 B2 US 9190665B2
- Authority
- US
- United States
- Prior art keywords
- iron phosphate
- metals
- doped
- crystalline iron
- crystalline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
- C01B25/375—Phosphates of heavy metals of iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a crystalline iron phosphate doped with metals, a method of preparing the same, and an olivine-structured lithium composite metal phosphate prepared therefrom, and more particularly to a crystalline iron phosphate doped with a metal (MFePO 4 , hereinafter referred to as an MFP), which is used as a precursor of an olivine-structured lithium composite metal phosphate (LiMFePO 4 , referred to as an LMFP) used as a cathode active material for lithium secondary batteries, and a method of preparing the same.
- MFePO 4 metal
- LiMFePO 4 olivine-structured lithium composite metal phosphate
- an LMFP (LiMFePO 4 ) doped with a different type of metals has been prepared by mixing different types of metals in a solid state.
- the present inventors found that when a crystalline iron phosphate used as a precursor of an LMFP is prepared, that is, in a case in which while a small quantity of a different type of metals is added during crystallizing an amorphous iron phosphate to prepare a crystalline iron phosphate, a metal doping is induced, efficiency on preparing an LMFP from a crystalline iron phosphate doped with metals can be increased and the processing costs can be reduced. Therefore, the present inventors completed the present invention.
- An object of the present invention is to provide a crystalline iron phosphate doped with metals that is a precursor capable of efficiently preparing an olivine-structured LMFP used as a cathode active material for lithium secondary batteries.
- Another object of the present invention is to provide a method of preparing a crystalline iron phosphate doped with metals that is the precursor capable of efficiently preparing an olivine-structured LMFP used as a cathode active material for lithium secondary batteries.
- Still another object of the present invention is to provide an olivine-structured LMFP used as a cathode active material for lithium secondary batteries prepared from the precursor of a crystalline iron phosphate doped with metals.
- the present invention provides a crystalline iron phosphate doped with metals represented by the following Formula I, which is obtained by doping it with a different type of metals while crystallizing an amorphous iron phosphate: MFePO 4 .2H 2 O Formula I
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg;
- a crystal structure of the crystalline iron phosphate doped with metals includes Metastrengite 1.
- the present invention provides a method of preparing a crystalline iron phosphate doped with metals represented by the following Formula I, in which the method includes forming an amorphous iron phosphate; mixing the amorphous iron phosphate thus obtained with a different type of metallic salt; and crystallizing the amorphous iron phosphate mixed with the different type of metallic salt.
- the method includes forming an amorphous iron phosphate; mixing the amorphous iron phosphate thus obtained with a different type of metallic salt; and crystallizing the amorphous iron phosphate mixed with the different type of metallic salt.
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg;
- the different type of metallic salt have a structure, MX 3 (here, M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg, and X is an anion including halogen).
- the amorphous iron phosphate is mixed with an aqueous solution of the different type of metallic salt in a type of slurry in a liquid state.
- the present invention provides an olivine-structured LMFP used as a cathode active material for lithium secondary batteries represented by the following Formula II, which is prepared by using a crystalline iron phosphate doped with metals represented by the following Formula I as a precursor: MFePO 4 .2H 2 O Formula I LiMFePO 4 Formula II
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg.
- FIG. 1 is a diffraction pattern illustrating a crystalline iron phosphate doped with chrome (CrFePO 4 ) according to an exemplary embodiment of the present invention, which is observed by an XRD;
- FIG. 2 is an SEM result illustrating an iron phosphate doped with chrome according to an exemplary embodiment of the present invention
- FIG. 3 is an image illustrating an SEM result of an iron phosphate doped with aluminum (AlFePO 4 ) according to another exemplary embodiment of the present invention
- FIG. 4 is a diffraction pattern illustrating LiCrFePO 4 prepared by using a crystalline iron phosphate doped with chrome (CrFePO 4 ) according to still another exemplary embodiment of the present invention as a precursor, which is observed by an XRD;
- FIG. 5 is an image illustrating an SEM result of LiCrFePO 4 synthesized with CrFePO 4 according to still another exemplary embodiment of the present invention.
- FIG. 6 is an image illustrating an SEM result of LiAlFePO 4 synthesized with AlFePO 4 according to still another exemplary embodiment of the present invention.
- the present invention relates to a crystalline iron phosphate doped with metals (MFP) represented by the following Formula I, in which different types of metal are doped while crystallizing an amorphous iron phosphate.
- MFP metals
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg.
- the amorphous iron phosphate (amorphous FePO 4 ) is crystallized into a crystalline iron phosphate, and then the crystalline iron phosphate thus obtained is used as a precursor of an LMFP used as a cathode active material for lithium secondary batteries.
- a small quantity of different types of metals is added during crystallizing an iron phosphate, that is, metal doping is induced while preparing a crystalline iron phosphate to obtain a crystalline iron phosphate doped with metals (MFP), and the crystalline iron phosphate doped with metals is used as a precursor to prepare an LMFP, thereby increasing efficiency and reducing the processing costs as compared with the mixing of different types of metals in a solid state during preparing an LMFP.
- examples of the metal to be doped may include Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, or Mg, and preferably, chrome, aluminum, or vanadium.
- Fe and M may be mixed to have a mole ratio of [Fe] and [M] of 1 ⁇ x:x, and here, x is in the range of 0.01 to 0.05.
- a crystal structure of the crystalline iron phosphate doped with metals includes Metastrengite 1.
- the present invention relates to a method of preparing a crystalline iron phosphate doped with metals represented by the following Formula I, in which the method includes forming an amorphous iron phosphate; mixing the amorphous iron phosphate thus obtained with different types of metallic salts; and crystallizing the amorphous iron phosphate mixed with the different types of metallic salts.
- Formula I MFePO 4 Formula I
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg.
- the forming of an amorphous iron phosphate may be performed by using a method that is generally used in the related art.
- FeCl 3 , and (NH 4 ) 2 HPO 4 or NH 4 H 2 PO 4 are mixed in a liquid state, as raw materials, and then reacted for preparing.
- a mole ratio of [Fe]:[P] may be in the range of 1:0.9 to 1, and a volume ratio of a solid content to a solvent is preferably 5 to 15%.
- the pH of the reactant it is preferable to adjust the pH of the reactant to be 4 to 7, and it may be reacted by stirring it at a temperature of 25 to 70° C. for 10 to 300 minutes. It is preferable that the reactant be washed two to five times using a reduced pressure filter or a centrifuge, and then dried.
- the mixing is performed before crystallizing the amorphous iron phosphate in order to induce the doping of the different types of metals.
- examples of the metal to be added for inducing the doping may include Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg, and preferably, chrome, aluminum, or vanadium.
- Fe and M may be mixed to have a mole ratio of [Fe] and [M] of 1 ⁇ x:x, and here, x is in the range of 0.01 to 0.05.
- the different types of metallic salts have a structure, MX 3 (here, M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg, and X is an anion including halogen.
- the amorphous iron phosphate may be uniformly mixed by being mixed with an aqueous solution of different types of metallic salts in a type of slurry in a liquid state.
- the crystallizing of the amorphous iron phosphate mixed with different types of metallic salts is performed by heating the amorphous iron phosphate mixed with different types of metallic salts under a strong acid.
- pH thereof is adjusted by adding a phosphoric acid or hydrochloric acid to be in the range of 1 to 3, and then the reactant is heated while stirring at a temperature of 90 to 100° C. for 1 or 6 hours.
- the reaction is completed at the time of brightening the color of the reactant.
- a crystal structure of an iron phosphate includes Strengite, Metastrengite 1, and Metastrengite 2.
- Strengite is produced at a pH of 3 to 4
- Metastrengite 1 is produced at a pH of 1 to 2
- Metastrengite 2 is produced at a pH of 0 to 1.
- the mixture of Strengite or Metastrengite 2 may be produced.
- the crystalline iron phosphate doped with metals obtained through the above-mentioned process may be used as a precursor for preparing an olivine-structured LMFP used as a cathode active material for lithium secondary batteries.
- the present invention relates to an olivine-structured LMFP used as a cathode active material for lithium secondary batteries represented by the following Formula II, which is prepared by using the crystalline iron phosphate doped with metals represented by the following Formula I as a precursor.
- Formula II an olivine-structured LMFP used as a cathode active material for lithium secondary batteries represented by the following Formula II, which is prepared by using the crystalline iron phosphate doped with metals represented by the following Formula I as a precursor.
- M is selected from the group consisting of Ni, Co, Mn, Cr, Zr, Nb, Cu, V, Ti, Zn, Al, Ga, and Mg.
- a raw material including Li and carbon coating raw material are dry-mixed with the crystalline iron phosphate doped with metals represented by the above Formula I, and then heated to obtain an olivine-structured LMFP used as a cathode active material for lithium secondary batteries represented by the above Formula II.
- examples of the raw material including Li may include LiOH, Li 2 CO 3 , or LiCl
- examples of the carbon coating raw material may include sucrose, glucose, ascorbic acid, or oleic acid.
- the present invention is not limited thereto.
- the heating is preferably performed at a temperature of 500 to 800° C. under the atmosphere of 1 to 5% H 2 /N 2 mixed gas for 4 to 12 hours, for example.
- FeCl 3 and (NH 4 ) 2 HPO 4 were taken out to be a mole ratio of [Fe]:[P] of 1:1, added to pure water, and then mixed to form a slurry. At this time, a ratio of a solid content to a solvent was 10%. Subsequently, ammonia water (NH 4 OH) was added to the mixed slurry to adjust a pH of 4.5. Subsequently, the pH-adjusted slurry was stirred at a temperature of 60° C. for 15 minutes. Subsequently, the reaction slurry was washed three times using a reduced pressure filter. The washed cake was dried at an oven of 90° C. to synthesize an amorphous iron phosphate.
- NH 4 OH ammonia water
- a volume ratio of a solid content to a solvent was 10%.
- a phosphoric acid (H 3 PO 4 ) was added to the slurry and then pH thereof was 2.
- the pH-adjusted slurry was stirred at a temperature of 95° C. for 3 hours.
- the reaction was completed at the time of brightening the color of the slurry.
- the reaction slurry was washed three times using a reduced pressure filter, and the washed cake was dried at an oven of 90° C. to synthesize a crystalline iron phosphate doped with chrome.
- the crystalline iron phosphate doped with chrome was observed using an XRD (D/Max-2500VK/PC manufactured by Rikagu, CuKa radiation, a speed of 4° min ⁇ 1 ).
- the diffraction pattern thereof is illustrated in FIG. 1 .
- the shape of the particles thereof was observed by photographing with an SEM (JSM-7400F manufactured by JEOL, 20 kV). The results thus obtained are illustrated in FIG. 2 .
- FeCl 3 and (NH 4 ) 2 HPO 4 were taken out to be a mole ratio of [Fe]:[P] of 1:0.95, added to pure water, and then mixed to form a slurry. At this time, a ratio of a solid content to a solvent was 10%. Subsequently, ammonia water (NH 4 OH) was added to the mixed slurry to adjust a pH of 4.5. Subsequently, the pH-adjusted slurry was stirred at a temperature of 60° C. for 15 minutes. Subsequently, the reaction slurry was washed three times using a reduced pressure filter. The washed cake was dried at an oven of 90° C. to synthesize an amorphous iron phosphate hydrate.
- NH 4 OH ammonia water
- a volume ratio of a solid content to a solvent was 10%.
- a phosphoric acid (H 3 PO 4 ) was added to the slurry and then pH thereof was 2.
- the pH-adjusted slurry was stirred at a temperature of 95° C. for 3 hours.
- the reaction was completed at the time of brightening the color of the slurry.
- the reaction slurry was washed three times using a reduced pressure filter, and the washed cake was dried at an oven of 90° C. to synthesize a crystalline iron phosphate doped with aluminum.
- the shape of the particles of the crystalline iron phosphate doped with aluminum was observed by photographing with an SEM (JSM-7400F manufactured by JEOL, 20 kV). The results thus obtained are illustrated in FIG. 3 .
- the particles thereof have a nano size.
- the synthesized LiCrFePO 4 was observed by using an XRD.
- the diffraction pattern thereof is illustrated in FIG. 4 .
- it was photographed using an SEM and then the shape of the particles thereof was observed.
- the results thus obtained are illustrated in FIG. 5 .
- the synthesized LiAlFePO 4 was photographed using an SEM and then the shape of the particles thereof was observed. The results thus obtained are illustrated in FIG. 6 .
- the particles thereof have a nano size.
- the crystalline iron phosphate doped with metals which is prepared by inducing metal doping at the time of preparing a crystalline iron phosphate used as the precursor of an LMFP, has the following effects:
- efficiency on preparing an olivine-structured LMFP as a crystalline iron phosphate doped with metals can be increased and the processing costs can be reduced as compared with a method of preparing it by mixing different types of metals in a solid state.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Catalysts (AREA)
Abstract
Description
MFePO4.2H2O Formula I
MFePO4.2H2O Formula I
MFePO4.2H2O Formula I
LiMFePO4 Formula II
MFePO4.2H2O Formula I
MFePO4 Formula I
MFePO4.2H2O Formula I
LiMFePO4 Formula II
Claims (6)
MFePO4.2H2O Formula I
MFePO4.2H2O Formula I
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110136536A KR101893955B1 (en) | 2011-12-16 | 2011-12-16 | Metal doped crystalline iron phosphate, method for preparation thereof and lithium composite metal phosphorus oxide prepared using the same |
KR10-2011-0136536 | 2011-12-16 | ||
PCT/KR2012/010911 WO2013089483A1 (en) | 2011-12-16 | 2012-12-14 | Crystalline iron phosphate doped with metal, method for preparing same, and lithium composite metal phosphor oxide prepared therefrom |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140319413A1 US20140319413A1 (en) | 2014-10-30 |
US9190665B2 true US9190665B2 (en) | 2015-11-17 |
Family
ID=48612844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/360,338 Active US9190665B2 (en) | 2011-12-16 | 2012-12-14 | Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom |
Country Status (7)
Country | Link |
---|---|
US (1) | US9190665B2 (en) |
EP (1) | EP2792636B1 (en) |
JP (1) | JP6300417B2 (en) |
KR (1) | KR101893955B1 (en) |
CN (1) | CN104024154B (en) |
CA (1) | CA2854760C (en) |
WO (1) | WO2013089483A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102062705B1 (en) | 2013-06-14 | 2020-01-06 | 삼성에스디아이 주식회사 | Method for Preparation of Lithium Metal Phosphate |
KR102172027B1 (en) * | 2013-12-30 | 2020-11-02 | 삼성에스디아이 주식회사 | Method for preparation of lithium transition metal phosphate and lithium transition metal phosphate manufactured by the same |
CN106082328B (en) * | 2016-06-22 | 2017-10-20 | 西安工业大学 | A kind of Fe2O3 doping arsenic acid gallium piezoelectric and preparation method thereof |
CN107601447A (en) * | 2016-07-12 | 2018-01-19 | 南通亨利锂电新材料有限公司 | A kind of compound crystalline phase ferric orthophosphate and preparation method thereof |
CN106185857A (en) * | 2016-07-18 | 2016-12-07 | 铜陵纳源材料科技有限公司 | A kind of battery-grade iron phosphate and preparation method thereof |
CN109860530B (en) * | 2018-12-06 | 2021-12-17 | 乳源东阳光磁性材料有限公司 | Basic ammonium ferric phosphate and lithium iron phosphate/carbon composite material doped with titanium and niobium, and preparation method and application thereof |
US11616232B2 (en) * | 2019-10-16 | 2023-03-28 | Hcm Co., Ltd. | Doped lithium manganese iron phosphate-based particulate, doped lithium manganese iron phosphate-based powdery material including the same, and method for preparing powdery material |
CN114751390B (en) * | 2022-04-22 | 2024-03-26 | 贝特瑞(天津)纳米材料制造有限公司 | Multi-ion doped battery-level ferric phosphate material and preparation method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100448071C (en) * | 2003-03-18 | 2008-12-31 | 黄穗阳 | Lithium battery positive electrode material and preparation method thereof |
DE102007049757A1 (en) * | 2007-10-16 | 2009-04-23 | Chemische Fabrik Budenheim Kg | Iron (III) orthophosphate for Li-ion batteries |
JP5381024B2 (en) * | 2008-11-06 | 2014-01-08 | 株式会社Gsユアサ | Positive electrode for lithium secondary battery and lithium secondary battery |
DE102009001204A1 (en) * | 2009-02-26 | 2010-09-02 | Chemische Fabrik Budenheim Kg | Production of iron orthophosphate |
KR20100117895A (en) * | 2009-04-27 | 2010-11-04 | 대정이엠(주) | Method of preparing olivine type cathode active material for lithium secondary batteries and lithium secondary batteries using the same |
CN101789502A (en) * | 2010-03-12 | 2010-07-28 | 江苏工业学院 | Metal ion doping and carbon coating jointly modified lithium ion battery anode material |
-
2011
- 2011-12-16 KR KR1020110136536A patent/KR101893955B1/en active IP Right Grant
-
2012
- 2012-12-14 US US14/360,338 patent/US9190665B2/en active Active
- 2012-12-14 EP EP12857999.2A patent/EP2792636B1/en active Active
- 2012-12-14 CA CA2854760A patent/CA2854760C/en active Active
- 2012-12-14 CN CN201280061307.1A patent/CN104024154B/en active Active
- 2012-12-14 JP JP2014547105A patent/JP6300417B2/en active Active
- 2012-12-14 WO PCT/KR2012/010911 patent/WO2013089483A1/en active Application Filing
Non-Patent Citations (3)
Title |
---|
Chinese Office action dated Aug. 5, 2015 for CN 201280061307.1; Hyung A Song, et al. |
Jierong Ying, et al., "Preparation and Characterization of High-Density Spherical Li0.97 Cr0.01 FePO4 /C Cathode Material for Lithium Ion Batteries," Journal of Power Sources, Aug. 2005. |
Nagaraju et al. "Studies on vanadium-doped iron phosphate catalysts for the ammoxidation of methylpyrazine", Applied Catalysis A: General, vol. 339, Issue 2, May 1, 2008, 99-107. * |
Also Published As
Publication number | Publication date |
---|---|
JP6300417B2 (en) | 2018-03-28 |
EP2792636A4 (en) | 2015-11-11 |
US20140319413A1 (en) | 2014-10-30 |
KR20130074806A (en) | 2013-07-05 |
CA2854760C (en) | 2020-07-14 |
JP2015506897A (en) | 2015-03-05 |
WO2013089483A1 (en) | 2013-06-20 |
CN104024154B (en) | 2016-10-26 |
EP2792636B1 (en) | 2019-04-17 |
KR101893955B1 (en) | 2018-09-03 |
CA2854760A1 (en) | 2013-06-20 |
CN104024154A (en) | 2014-09-03 |
EP2792636A1 (en) | 2014-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9190665B2 (en) | Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom | |
US9796589B2 (en) | Method for manufacturing lithium metal phosphate | |
CN103946156B (en) | Metal phosphate and preparation method thereof | |
CN104039693B (en) | Phosphate containing manganese Metal and preparation method thereof | |
CA2878918C (en) | Method for preparing lithium metal phosphor oxide | |
JP5004413B2 (en) | Method for producing positive electrode material for ammonium iron phosphate and lithium ion secondary battery, and lithium ion secondary battery | |
JP2013161654A (en) | Positive electrode active material for lithium secondary battery and method for manufacturing the same, precursor of positive electrode active material and method for manufacturing the same, and lithium secondary battery including positive electrode active material | |
CN107108212A (en) | Suitable for the phosphate compounds for the negative electrode for producing Li ion batteries | |
KR101684387B1 (en) | Method for Preparation of Olivine Type Lithium Manganese Iron Phosphate and Product Obtained from the Same | |
JP7426506B2 (en) | Alternative ways to make lithium battery cathode materials | |
KR20130069022A (en) | Method for preparation of lithium metal phosphate | |
KR101684385B1 (en) | Method for Preparation of Olivine Type Lithium Iron Phosphate | |
KR20140064356A (en) | Method for preparation of olivine type lithium manganese iron phosphate and product obtained from the same | |
KR101565300B1 (en) | Method for Preparation of Olivine Type Lithium Manganese Phosphate and Product Obtained from the Same | |
EP2894700B1 (en) | Process for producing composite material of metal oxide with conductive carbon | |
KR20140064369A (en) | Method for preparation of olivine type lithium iron phosphate and product obtained from the same | |
CN117756076A (en) | Titanium-doped anhydrous ferric phosphate material, and preparation method and application thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SAMSUNG FINE CHEMICALS CO., LTD, KOREA, REPUBLIC O Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SONG, HYUN A;YANG, WOO YOUNG;REEL/FRAME:033012/0592 Effective date: 20140327 |
|
AS | Assignment |
Owner name: SAMSUNG SDI CO., LTD, KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SAMSUNG FINE CHEMICALS CO., LTD;REEL/FRAME:036599/0620 Effective date: 20150914 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 8 |